时间:2021-10-07 17:36:49
Drywall Screws, Recess Bugle Head, Fine Thread, Hard.
Material: Hardened Carbon Steel C1022A
Drive type: Philips,Torx, Hexagon socket, Square
Core hardness: 289-449HV
Surface hardness: 560-653HV
Surface Treatment: Zinc Plated, Yellow Zinc Plated
Standard: DIN, ASTM
Certification: ISO9001, CE
Non-standards: OEM is available if you provide the drawing or sample